Diffuser Prosperity Metal in Silver by AromarAromar Prosperity Ultrasonic Diffuser is made to inspire growth and prosperity. Its shiny Silver or Copper encasement features threads of ever growing trees, the ancient symbol of prosperity. Try diffusing our natural line of essential oils, our Black Label series, for golden aromatherapy. All About Aromar Ultrasonic Diffusers: Water capacity: 100 ml 3 4 hours of continuous mist Choose from continuous mist and interval timer settings Quiet, gentle